add Process class

It's intended to be used for the future dump writing functionality, to
generate a meaningful file name, etc.

Also, add Boost.Nowide, which provides handy UTF-8 conversion functions.
I'm not sure about this, but things indicate that it's about to be
included in Boost.

2 files changed, 33 insertions, 0 deletions

diff --git a/include/pdb/all.hpp b/include/pdb/all.hpp
index 36a68d3..0794362 100644
--- a/include/pdb/all.hpp
+++ b/include/pdb/all.hpp
@@ -11,6 +11,7 @@
 #include "error.hpp"
 #include "handle.hpp"
 #include "module.hpp"
+#include "process.hpp"
 #include "repo.hpp"
 #include "symbol.hpp"
 #include "utils/file.hpp"
diff --git a/include/pdb/process.hpp b/include/pdb/process.hpp
new file mode 100644
index 0000000..3ddb6b4
--- /dev/null
+++ b/include/pdb/process.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include "handle.hpp"
+
+#include <windows.h>
+
+#include <string>
+
+namespace pdb {
+
+class Process {
+public:
+    using ID = DWORD;
+
+    static Process current();
+    static Process open(ID);
+
+    ID get_id() const { return id; }
+
+    const Handle& get_handle() const { return handle; }
+
+    std::string get_executable_path() const;
+
+private:
+    explicit Process(Handle&&);
+    Process(ID, Handle&&);
+
+    ID id;
+    Handle handle;
+};
+
+} // namespace pdb